Add Readability import

Based on the JSON export instead of the API (which will be shutting down by the September 30, 2016)

src/Wallabag/ImportBundle/Import/ReadabilityImport.php

@@ -0,0 +1,181 @@
+<?php
+
+namespace Wallabag\ImportBundle\Import;
+
+use Wallabag\CoreBundle\Entity\Entry;
+use Wallabag\UserBundle\Entity\User;
+
+class ReadabilityImport extends AbstractImport
+{
+    private $user;
+    private $client;
+    private $skippedEntries = 0;
+    private $importedEntries = 0;
+    private $filepath;
+    private $markAsRead;
+
+    /**
+     * We define the user in a custom call because on the import command there is no logged in user.
+     * So we can't retrieve user from the `security.token_storage` service.
+     *
+     * @param User $user
+     */
+    public function setUser(User $user)
+    {
+        $this->user = $user;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'Readability';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getUrl()
+    {
+        return 'import_readability';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDescription()
+    {
+        return 'import.readability.description';
+    }
+
+    /**
+     * Set file path to the json file.
+     *
+     * @param string $filepath
+     */
+    public function setFilepath($filepath)
+    {
+        $this->filepath = $filepath;
+
+        return $this;
+    }
+
+    /**
+     * Set whether articles must be all marked as read.
+     *
+     * @param bool $markAsRead
+     */
+    public function setMarkAsRead($markAsRead)
+    {
+        $this->markAsRead = $markAsRead;
+
+        return $this;
+    }
+
+    /**
+     * Get whether articles must be all marked as read.
+     */
+    public function getMarkAsRead()
+    {
+        return $this->markAsRead;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSummary()
+    {
+        return [
+            'skipped' => $this->skippedEntries,
+            'imported' => $this->importedEntries,
+        ];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function import()
+    {
+        if (!$this->user) {
+            $this->logger->error('ReadabilityImport: user is not defined');
+
+            return false;
+        }
+
+        if (!file_exists($this->filepath) || !is_readable($this->filepath)) {
+            $this->logger->error('ReadabilityImport: unable to read file', ['filepath' => $this->filepath]);
+
+            return false;
+        }
+
+        $data = json_decode(file_get_contents($this->filepath), true);
+
+        if (empty($data) || empty($data['bookmarks'])) {
+            return false;
+        }
+
+        $this->parseEntries($data['bookmarks']);
+
+        return true;
+    }
+
+    /**
+     * Parse and insert all given entries.
+     *
+     * @param $entries
+     */
+    protected function parseEntries($entries)
+    {
+        $i = 1;
+
+        foreach ($entries as $importedEntry) {
+            $existingEntry = $this->em
+                ->getRepository('WallabagCoreBundle:Entry')
+                ->findByUrlAndUserId($importedEntry['article__url'], $this->user->getId());
+
+            if (false !== $existingEntry) {
+                ++$this->skippedEntries;
+                continue;
+            }
+
+            $data = [
+                'title' => $importedEntry['article__title'],
+                // 'html' => $importedEntry['article__excerpt'],
+                'url' => $importedEntry['article__url'],
+                'content_type' => '',
+                'language' => '',
+                'is_archived' => $importedEntry['archive'] || $this->markAsRead,
+                'is_starred' => $importedEntry['favorite'],
+            ];
+
+            $entry = $this->fetchContent(
+                new Entry($this->user),
+                $data['url'],
+                $data
+            );
+
+            // jump to next entry in case of problem while getting content
+            if (false === $entry) {
+                ++$this->skippedEntries;
+                continue;
+            }
+            $entry->setArchived($data['is_archived']);
+            $entry->setStarred($data['is_starred']);
+
+            $this->em->persist($entry);
+            ++$this->importedEntries;
+
+            // flush every 20 entries
+            if (($i % 20) === 0) {
+                $this->em->flush();
+                $this->em->clear($entry);
+            }
+            ++$i;
+        }
+
+        $this->em->flush();
+    }
+}